JPS61204123U - - Google Patents
Info
- Publication number
- JPS61204123U JPS61204123U JP8392885U JP8392885U JPS61204123U JP S61204123 U JPS61204123 U JP S61204123U JP 8392885 U JP8392885 U JP 8392885U JP 8392885 U JP8392885 U JP 8392885U JP S61204123 U JPS61204123 U JP S61204123U
- Authority
- JP
- Japan
- Prior art keywords
- fluidized bed
- fuel gas
- fuel
- air
- nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002737 fuel gas Substances 0.000 claims description 21
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims 3
- 239000002245 particle Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004449 solid propellant Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Combustion Of Fluid Fuel (AREA)
Description
第１〜３図は本考案の実施例を示し、第１図は
固体燃料―燃料ガス混焼型流動層ボイラの縦断面
図で、第２図は第１図のＣ―Ｃ断面図、第３図は
第２図のＤ―Ｄ断面図である。第４〜６図は、本
考案の他の実施例を示し、第４図は固体燃料―燃
料ガス混焼型流動層ボイラの縦断面図で、第５図
は第４図のＥ―Ｅ断面図、第６図は第５図のＦ―
Ｆ断面図である。第７〜９図は従来の固体燃料専
焼型流動層ボイラの説明図である。第１０〜１５
図は本考案の空気・燃料ガスノズルの優れた空気
・燃料ガス混合性、流動層内における燃料ガスの
燃焼性の説明図である。
１……流動層炉、２……流動層、３……ボイラ
チユーブ、４……竪型炉体、５……固体燃料、流
動媒体供給装置、６……分散板（底板）、７……
空気ノズル、８……空気吹込口、９……ノズル本
体、１０……噴気孔、１１……ウインドボツクス
、１２……燃料ガスノズル、１３……ノズル本体
、１４……噴気孔、１５……燃料ガスヘツダー管
、１６……枝管、１７……メインヘツダー管、１
８……空気・燃料ガスノズル、１９……内筒、２
０……外筒、２１……通路、２２……空気噴出孔
、２３……燃料ガス噴出孔、２４……筒体、２５
……燃料ガスヘツダー管、２６……枝管、２７…
…メインヘツダー管、２８……空気供給管、２９
……バーナー、３０……炉外管部、３１……ガス
切換弁、３２……空冷管、３３……石炭石、石炭
供給フイーダ、３４……フリーボード部。
Figures 1 to 3 show examples of the present invention; Figure 1 is a vertical cross-sectional view of a solid fuel-fuel gas mixed combustion type fluidized bed boiler; Figure 2 is a cross-sectional view taken along line CC in Figure 1; The figure is a sectional view taken along line DD in FIG. Figures 4 to 6 show other embodiments of the present invention, Figure 4 is a longitudinal sectional view of a solid fuel-fuel gas mixed combustion type fluidized bed boiler, and Figure 5 is a sectional view taken along line EE in Figure 4. , Figure 6 is F- in Figure 5.
It is an F sectional view. FIGS. 7 to 9 are explanatory diagrams of a conventional solid-fuel combustion type fluidized bed boiler. 10th to 15th
The figure is an explanatory diagram of the excellent air/fuel gas mixing properties of the air/fuel gas nozzle of the present invention and the combustibility of fuel gas in a fluidized bed. DESCRIPTION OF SYMBOLS 1...Fluidized bed furnace, 2...Fluidized bed, 3...Boiler tube, 4...Vertical furnace body, 5...Solid fuel, fluidized medium supply device, 6...Dispersion plate (bottom plate), 7...
Air nozzle, 8... Air inlet, 9... Nozzle body, 10... Fumarole, 11... Wind box, 12... Fuel gas nozzle, 13... Nozzle body, 14... Fumarole, 15... Fuel Gas header pipe, 16... Branch pipe, 17... Main header pipe, 1
8... Air/fuel gas nozzle, 19... Inner cylinder, 2
0... Outer tube, 21... Passage, 22... Air nozzle, 23... Fuel gas nozzle, 24... Cylindrical body, 25
...Fuel gas header pipe, 26... Branch pipe, 27...
...Main header pipe, 28...Air supply pipe, 29
... Burner, 30 ... Furnace outer tube section, 31 ... Gas switching valve, 32 ... Air cooling pipe, 33 ... Coal stone, coal supply feeder, 34 ... Freeboard section.
Claims (1)
介して空気を噴出させ流動粒子を流動状態にし流
動層を形成すると共に上記流動層へ固定燃料を供
給し、燃焼して流動層炉の流動層内に配設したボ
イラチユーブを加熱する流動層ボイラにおいて、 流動層炉の分散板に燃料ガスノズルを設け、こ
の燃料ガスノズルへ燃料ガスを供給する燃料ガス
供給装置を設け、燃料ガスノズルから燃料ガスを
流動層内へ供給するようにしたことを特徴とする
固体燃料―ガス燃料混焼型流動層ボイラ。 (2) 分散板に配設する空気ノズル及び燃料ガス
ノズルが、上端を閉じた筒体の周壁部に気体噴出
孔を、筒体上下方向に複数段設けると共にこの筒
体内に筒体上方の気体噴出孔へ空気又は燃料ガス
を供給する通路及び筒体下方の気体噴出孔へ燃料
ガス又は空気を供給する通路を形成してなる空気
・燃料ガスノズルであることを特徴とする実用新
案登録請求の範囲第１項記載の固体燃料―燃料ガ
ス混焼型流動層ボイラ。[Claims for Utility Model Registration] (1) Air is ejected through an air nozzle provided on a dispersion plate of a fluidized bed furnace to bring fluidized particles into a fluidized state to form a fluidized bed, and at the same time supply fixed fuel to the fluidized bed. In a fluidized bed boiler that heats a boiler tube placed in the fluidized bed of the fluidized bed furnace by burning the fuel, a fuel gas nozzle is provided on the distribution plate of the fluidized bed furnace, and the fuel gas is supplied to the fuel gas nozzle. 1. A solid fuel-gas fuel mixed combustion type fluidized bed boiler, characterized in that a device is provided to supply fuel gas into the fluidized bed from a fuel gas nozzle. (2) The air nozzle and fuel gas nozzle disposed on the dispersion plate are provided with gas ejection holes in the peripheral wall of the cylinder whose upper end is closed, in multiple stages in the vertical direction of the cylinder, and into which gas is ejected from above the cylinder. Utility model registration claim No. 1, characterized in that it is an air/fuel gas nozzle formed with a passage for supplying air or fuel gas to a hole and a passage for supplying fuel gas or air to a gas jet hole below the cylinder body. The solid fuel-fuel gas mixed combustion type fluidized bed boiler according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8392885U JPS61204123U (en) | 1985-06-05 | 1985-06-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8392885U JPS61204123U (en) | 1985-06-05 | 1985-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61204123U true JPS61204123U (en) | 1986-12-23 |
Family
ID=30632996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8392885U Pending JPS61204123U (en) | 1985-06-05 | 1985-06-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61204123U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011094868A (en) * | 2009-10-29 | 2011-05-12 | Osaka Gas Co Ltd | Gas nozzle for fluidized bed type incinerator |
| JP2011094869A (en) * | 2009-10-29 | 2011-05-12 | Osaka Gas Co Ltd | Method of operating fluidized bed type incinerator |
-
1985
- 1985-06-05 JP JP8392885U patent/JPS61204123U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011094868A (en) * | 2009-10-29 | 2011-05-12 | Osaka Gas Co Ltd | Gas nozzle for fluidized bed type incinerator |
| JP2011094869A (en) * | 2009-10-29 | 2011-05-12 | Osaka Gas Co Ltd | Method of operating fluidized bed type incinerator |
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